 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.actions;

 import java.util.Iterator ;

 import org.eclipse.core.resources.IResource;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.ISharedImages;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
 import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
 import org.eclipse.ui.wizards.newresource.BasicNewFolderResourceWizard;

 /**
  * Standard action for creating a folder resource within the currently
  * selected folder or project.
  * <p>
  * This class may be instantiated; it is not intended to be subclassed.
  * </p>
  *
  * @deprecated should use NewWizardMenu to populate a New submenu instead (see Navigator view)
  */
 public class CreateFolderAction extends SelectionListenerAction {

     /**
      * The id of this action.
      */
     public static final String ID = PlatformUI.PLUGIN_ID
             + ".CreateFolderAction";//$NON-NLS-1$

     /**
      * The shell in which to show any dialogs.
      */
     private Shell shell;

     /**
      * Creates a new action for creating a folder resource.
      *
      * @param shell the shell for any dialogs
      *
      * @deprecated see deprecated tag on class
      */
     public CreateFolderAction(Shell shell) {
         super(IDEWorkbenchMessages.CreateFolderAction_text);
         if (shell == null) {
             throw new IllegalArgumentException ();
         }
         this.shell = shell;
         setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
                 .getImageDescriptor(ISharedImages.IMG_OBJ_FOLDER));
         setToolTipText(IDEWorkbenchMessages.CreateFolderAction_toolTip);
         setId(ID);
         PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
                 IIDEHelpContextIds.CREATE_FOLDER_ACTION);
     }

     /**
      * The <code>CreateFolderAction</code> implementation of this
      * <code>IAction</code> method opens a <code>BasicNewFolderResourceWizard</code>
      * in a wizard dialog under the shell passed to the constructor.
      */
     public void run() {
         BasicNewFolderResourceWizard wizard = new BasicNewFolderResourceWizard();
         wizard.init(PlatformUI.getWorkbench(), getStructuredSelection());
         wizard.setNeedsProgressMonitor(true);
         WizardDialog dialog = new WizardDialog(shell, wizard);
         dialog.create();
         dialog.getShell().setText(
                 IDEWorkbenchMessages.CreateFolderAction_title);
         PlatformUI.getWorkbench().getHelpSystem().setHelp(dialog.getShell(),
                 IIDEHelpContextIds.NEW_FOLDER_WIZARD);
         dialog.open();

     }

     /**
      * The <code>CreateFolderAction</code> implementation of this
      * <code>SelectionListenerAction</code> method enables the action only
      * if the selection contains folders and open projects.
      */
     protected boolean updateSelection(IStructuredSelection s) {
         if (!super.updateSelection(s)) {
             return false;
         }
         Iterator resources = getSelectedResources().iterator();
         while (resources.hasNext()) {
             IResource resource = (IResource) resources.next();
             if (!resourceIsType(resource, IResource.PROJECT | IResource.FOLDER)
                     || !resource.isAccessible()) {
                 return false;
             }
         }
         return true;
     }
 }

